package com.youpingou.service;

import com.baomidou.mybatisplus.extension.service.IService;
import com.youpingou.domain.Category;

import java.util.List;


public interface CategoryService extends IService<Category> {
    /**
     * 查询所有一级分类，每一个分类中含子分类
     * @return
     */
    public List<Category> findAll();
}